National Weather Service Marine Forecast FZHW50 PHFO

FZHW50 PHFO 190130
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
330 PM HST Mon Mar 18 2024

Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary.

PHZ100-191415
330 PM HST Mon Mar 18 2024

Synopsis for Hawaiian coastal waters

Weak high pressure to the north slowly drifts east through Wednesday. A new high will build north of the state on Thursday and Friday, as trades will increase to fresh to locally strong levels.


PHZ110-191415
Kauai Northwest Waters
330 PM HST Mon Mar 18 2024

TONIGHT
East winds 15 knots. Wind waves to 3 feet. Northwest swell 5 feet. Isolated showers after midnight.

TUESDAY
East winds 20 knots. Wind waves to 3 feet. Northwest swell 6 feet. Isolated showers in the morning.

TUESDAY NIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 8 feet. Isolated showers.

WEDNESDAY
East winds 20 knots. Wind waves to 4 feet. Northwest swell 8 feet.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers after midnight.

THURSDAY
East winds 20 knots. Wind waves to 4 feet. Northwest swell 6 feet. Isolated showers.

THURSDAY NIGHT
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet. Isolated showers.

FRIDAY
Northeast winds 20 knots. Wind waves 5 to 6 feet. Northwest swell 5 to 7 feet.

SATURDAY
East winds to 25 knots. Wind waves around 6 feet. Northwest swell 6 to 7 feet.


PHZ111-191415
Kauai Windward Waters
330 PM HST Mon Mar 18 2024

TONIGHT
East winds 15 knots. Wind waves to 3 feet. Northwest swell 5 feet. Isolated showers.

TUESDAY
East winds 15 knots. Wind waves to 3 feet. Northwest swell 6 feet. Isolated showers in the morning.

TUESDAY NIGHT
East winds 15 knots. Wind waves to 4 feet. Northwest swell 8 feet. Isolated showers after midnight.

WEDNESDAY
East winds 15 knots. Wind waves to 4 feet. Northwest swell 8 feet.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers after midnight.

THURSDAY
East winds 15 knots. Wind waves to 4 feet. Northwest swell 6 feet. Isolated showers.

THURSDAY NIGHT
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet. Isolated showers in the evening, then scattered showers after midnight.

FRIDAY
Northeast winds 20 knots. Wind waves around 5 feet. Northwest swell 5 to 7 feet. Isolated showers.

SATURDAY
East winds 20 knots. Wind waves around 6 feet. Northwest swell 6 to 7 feet. Isolated showers.


PHZ112-191415
Kauai Leeward Waters
330 PM HST Mon Mar 18 2024

TONIGHT
Northeast winds 15 knots. Wind waves to 3 feet. Northwest swell 5 feet. Scattered showers after midnight.

TUESDAY
East winds 20 knots. Wind waves to 4 feet. Northwest swell 6 feet. Isolated showers in the morning.

TUESDAY NIGHT
East winds 20 knots. Wind waves to 5 feet. Northwest swell 8 feet. Isolated showers after midnight.

WEDNESDAY
East winds 20 knots. Wind waves to 4 feet. Northwest swell 8 feet.

WEDNESDAY NIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 6 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet.

THURSDAY NIGHT
Northeast winds 20 knots. Wind waves to 6 feet. Northwest swell 4 feet. Isolated showers after midnight.

FRIDAY
Northeast winds to 25 knots. Wind waves 6 to 7 feet. Northwest swell 5 to 7 feet.

SATURDAY
East winds to 25 knots. Wind waves around 6 feet. Northwest swell 6 to 7 feet.


PHZ113-191415
Kauai Channel
330 PM HST Mon Mar 18 2024

TONIGHT
East winds 20 knots. Wind waves to 3 feet. Northwest swell 5 feet. Isolated showers.

TUESDAY
East winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 7 feet.

WEDNESDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 7 feet.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers after midnight.

THURSDAY
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 6 feet. Isolated showers in the morning.

THURSDAY NIGHT
Northeast winds 20 knots. Wind waves to 6 feet. Northwest swell 5 feet. Isolated showers.

FRIDAY
Northeast winds to 25 knots. Wind waves around 6 feet. Northwest swell 5 to 6 feet.

SATURDAY
Northeast winds to 25 knots. Wind waves around 6 feet. Northwest swell 6 feet.


PHZ114-191415
Oahu Windward Waters
330 PM HST Mon Mar 18 2024

TONIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet. Isolated showers.

TUESDAY
East winds 20 knots. Wind waves to 3 feet. Northwest swell 5 feet. Isolated showers in the morning.

TUESDAY NIGHT
East winds 15 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers.

WEDNESDAY
East winds 15 knots. Wind waves to 4 feet. Northwest swell 8 feet. Isolated showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 6 feet. Isolated showers.

THURSDAY NIGHT
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet. Isolated showers in the evening, then scattered showers after midnight.

FRIDAY
Northeast winds 20 knots. Wind waves 5 to 6 feet. Northwest swell 5 to 6 feet. Isolated showers.

SATURDAY
East winds to 25 knots. Wind waves 6 to 7 feet. Northwest swell 6 to 7 feet. Isolated showers.


PHZ115-191415
Oahu Leeward Waters
330 PM HST Mon Mar 18 2024

TONIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 4 feet. Isolated showers after midnight.

TUESDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 4 feet.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet.

WEDNESDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 6 feet.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet. Isolated showers in the morning.

THURSDAY NIGHT
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 4 feet.

FRIDAY
Northeast winds to 25 knots. Wind waves 5 to 6 feet. Northwest swell 4 feet.

SATURDAY
Northeast winds to 25 knots. Wind waves 6 to 7 feet. Northwest swell 4 to 5 feet.


PHZ116-191415
Kaiwi Channel
330 PM HST Mon Mar 18 2024

TONIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet. Isolated showers.

TUESDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet.

TUESDAY NIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers in the evening. Scattered showers after midnight.

WEDNESDAY
Northeast winds 15 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 6 feet. Isolated showers.

THURSDAY NIGHT
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet. Isolated showers in the evening. Scattered showers after midnight.

FRIDAY
Northeast winds to 25 knots. Wind waves 5 to 6 feet. Northwest swell 4 to 6 feet. Isolated showers.

SATURDAY
East winds to 25 knots. Wind waves 6 to 7 feet. Northwest swell 6 to 7 feet. Isolated showers.


PHZ117-191415
Maui County Windward Waters
330 PM HST Mon Mar 18 2024

TONIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet. Isolated showers after midnight.

TUESDAY
East winds 20 knots. Wind waves to 3 feet. Northwest swell 5 feet.

TUESDAY NIGHT
East winds 15 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers in the evening, then scattered showers after midnight.

WEDNESDAY
East winds 15 knots. Wind waves to 4 feet. Northwest swell 8 feet. Isolated showers.

WEDNESDAY NIGHT
East winds 15 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers in the evening, then scattered showers after midnight.

THURSDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 6 feet. Scattered showers, mainly in the morning.

THURSDAY NIGHT
East winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet. Scattered showers.

FRIDAY
Northeast winds to 25 knots. Wind waves 5 to 6 feet. Northwest swell 4 to 6 feet. Scattered showers.

SATURDAY
East winds to 25 knots. Wind waves 6 to 7 feet. Northwest swell 6 to 7 feet. Isolated showers.


PHZ118-191415
Maui County Leeward Waters
330 PM HST Mon Mar 18 2024

TONIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 3 feet.

TUESDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 3 feet.

TUESDAY NIGHT
Northeast winds 15 knots. Wind waves to 4 feet. Northwest swell 4 feet.

WEDNESDAY
Northeast winds 15 knots. Wind waves to 3 feet. Northwest swell 5 feet.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves to 3 feet. Northwest swell 5 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 4 feet. Isolated showers in the morning.

THURSDAY NIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 3 feet.

FRIDAY
Northeast winds 20 knots. Wind waves around 5 feet. Northwest swell 3 to 4 feet.

SATURDAY
Northeast winds to 25 knots. Wind waves 5 to 6 feet. Northwest swell 4 feet.


PHZ119-191415
Maalaea Bay
330 PM HST Mon Mar 18 2024

TONIGHT
North winds 20 knots. Wind waves to 3 feet.

TUESDAY
North winds 20 knots. Wind waves to 2 feet or less, becoming 3 feet in the afternoon.

TUESDAY NIGHT
North winds 20 knots. Wind waves to 3 feet in the evening, becoming 2 feet or less.

WEDNESDAY
North winds 20 knots. Wind waves to 2 feet or less.

WEDNESDAY NIGHT
North winds 20 knots. Wind waves to 2 feet or less.

THURSDAY
North winds to 25 knots. Wind waves to 2 feet or less, becoming 3 feet in the afternoon.

THURSDAY NIGHT
North winds to 25 knots. Wind waves to 3 feet.

FRIDAY
North winds to 25 knots. Wind waves around 3 feet. Swell 2 feet or less.

SATURDAY
North winds to 25 knots. Wind waves around 3 feet. Swell 2 feet or less.


PHZ120-191415
Pailolo Channel
330 PM HST Mon Mar 18 2024

TONIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 4 feet. Isolated showers after midnight.

TUESDAY
East winds 20 knots. Wind waves to 4 feet. Northwest swell 4 feet.

TUESDAY NIGHT
East winds 20 knots. Wind waves to 4 feet. Northwest swell 4 feet. Isolated showers.

WEDNESDAY
East winds 20 knots. Wind waves to 3 feet. Northwest swell 5 feet.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves to 3 feet. Northwest swell 5 feet. Isolated showers in the evening. Scattered showers after midnight.

THURSDAY
Northeast winds to 25 knots. Wind waves to 4 feet. Northwest swell 4 feet. Scattered showers in the morning. Isolated showers in the afternoon.

THURSDAY NIGHT
Northeast winds to 25 knots. Wind waves to 4 feet. Northwest swell 4 feet. Isolated showers.

FRIDAY
Northeast winds to 25 knots. Wind waves 4 to 5 feet. Northwest swell 3 to 4 feet. Isolated showers.

SATURDAY
East winds to 25 knots. Wind waves around 6 feet. Northwest swell 4 feet.


PHZ121-191415
Alenuihaha Channel
330 PM HST Mon Mar 18 2024

TONIGHT
East winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet. Isolated showers after midnight.

TUESDAY
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet.

TUESDAY NIGHT
East winds 20 knots. Wind waves to 5 feet. Northwest swell 6 feet. Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 7 feet. Isolated showers.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 7 feet. Isolated showers in the evening. Scattered showers after midnight.

THURSDAY
Northeast winds to 25 knots. Wind waves to 5 feet. Northwest swell 6 feet. Isolated showers.

THURSDAY NIGHT
Northeast winds to 25 knots. Wind waves to 6 feet. Northwest swell 5 feet. Isolated showers.

FRIDAY
Northeast winds to 25 knots. Wind waves around 7 feet. Northwest swell 4 to 5 feet. Scattered showers.

SATURDAY
Northeast winds to 30 knots. Wind waves around 8 feet. Northwest swell 6 feet. Scattered showers.


PHZ122-191415
Big Island Windward Waters
330 PM HST Mon Mar 18 2024

TONIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet. Isolated showers after midnight.

TUESDAY
Northeast winds to 25 knots. Wind waves to 3 feet. Northwest swell 5 feet.

TUESDAY NIGHT
Northeast winds 15 knots. Wind waves to 3 feet. Northwest swell 6 feet. Isolated showers in the evening, then scattered showers after midnight.

WEDNESDAY
East winds 15 knots. Wind waves to 3 feet. Northwest swell 7 feet. Isolated showers.

WEDNESDAY NIGHT
Northeast winds 15 knots. Wind waves to 3 feet. Northwest swell 7 feet. Scattered showers.

THURSDAY
Northeast winds 20 knots. Wind waves to 3 feet. Northwest swell 6 feet. Scattered showers.

THURSDAY NIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet. Scattered showers.

FRIDAY
Northeast winds to 25 knots. Wind waves around 5 feet. Northwest swell 4 to 5 feet. Scattered showers.

SATURDAY
Northeast winds to 25 knots. Wind waves 5 to 6 feet. Northwest swell 6 feet. Scattered showers.


PHZ123-191415
Big Island Leeward Waters
330 PM HST Mon Mar 18 2024

TONIGHT
Southwest winds 10 knots west of the Big Island...east 20 knots near South Point. Wind waves to 5 feet. Northwest swell 4 feet. Isolated showers.

TUESDAY
West winds 10 knots west of the Big Island...east 20 knots near South Point. Wind waves to 5 feet. Northwest swell 3 feet. Isolated showers in the morning.

TUESDAY NIGHT
West of the Big Island, winds variable less than 10 knots, becoming northwest 10 knots after midnight. Near South Point, east winds 20 knots. Wind waves to 5 feet. Northwest swell 4 feet. Isolated showers after midnight.

WEDNESDAY
West of the Big Island, winds variable less than 10 knots. Near South Point, east winds 20 knots, easing to 15 knots in the afternoon. Wind waves to 5 feet. Northwest swell 5 feet. Isolated showers in the morning. Scattered showers in the afternoon.

WEDNESDAY NIGHT
Winds variable less than 10 knots west of the Big Island...east 15 knots near South Point. Wind waves to 4 feet. Northwest swell 5 feet. Isolated showers in the evening. Scattered showers after midnight.

THURSDAY
Winds variable less than 10 knots west of the Big Island...east 15 knots near South Point. Wind waves to 5 feet. Northwest swell 5 feet. Isolated showers in the morning. Scattered showers in the afternoon.

THURSDAY NIGHT
West of the Big Island, east winds 10 knots in the evening, becoming variable less than 10 knots. Near South Point, northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 4 feet. Scattered showers in the evening. Isolated showers after midnight.

FRIDAY
West of the Big Island, north winds 10 knots, veering to south in the afternoon, then backing to east. Near South Point, east winds 20 knots. Wind waves 6 to 7 feet. Northwest swell 3 feet. Isolated showers.

SATURDAY
Winds variable less than 10 knots west of the Big Island...east to 25 knots near South Point. Wind waves 7 to 8 feet. Northwest swell 4 feet.


PHZ124-191415
Big Island Southeast Waters
330 PM HST Mon Mar 18 2024

TONIGHT
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 4 feet.

TUESDAY
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 3 feet.

TUESDAY NIGHT
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 4 feet. Isolated showers.

WEDNESDAY
Northeast winds 20 knots. Wind waves to 5 feet. Northwest swell 5 feet. Isolated showers.

WEDNESDAY NIGHT
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet. Isolated showers.

THURSDAY
Northeast winds 20 knots. Wind waves to 4 feet. Northwest swell 5 feet. Isolated showers.

THURSDAY NIGHT
Northeast winds to 25 knots. Wind waves to 6 feet. Northwest swell 4 feet. Scattered showers.

FRIDAY
Northeast winds to 25 knots. Wind waves 6 to 8 feet. Northwest swell 3 feet. Scattered showers.

SATURDAY
Northeast winds to 25 knots. Wind waves around 8 feet. Northwest swell 4 feet. Scattered showers.